<template>
  <div id="app">
    <!-- 添加按钮 -->
    <el-button type="primary" @click="dialogVisible = true">添加图书</el-button>

    <!-- 图书表格 -->
    <el-table :data="books" style="width: 100%" border row-key="id">
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="title" label="书名"></el-table-column>
      <el-table-column prop="author" label="作者"></el-table-column>
      <el-table-column prop="copies" label="数量" width="80"></el-table-column>
      <el-table-column label="操作" width="120">
        <template slot-scope="scope">
          <el-button size="mini" type="danger" @click="deleteBook(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加图书对话框 -->
    <el-dialog title="添加图书" :visible.sync="dialogVisible" width="30%">
      <el-form :model="newBook" label-width="80px">
        <el-form-item label="书名">
          <el-input v-model="newBook.title" placeholder="请输入书名"></el-input>
        </el-form-item>
        <el-form-item label="作者">
          <el-input v-model="newBook.author" placeholder="请输入作者"></el-input>
        </el-form-item>
        <el-form-item label="数量">
          <el-input-number v-model="newBook.copies" :min="1"></el-input-number>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取消</el-button>
        <el-button type="primary" @click="addBook">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      dialogVisible: false,
      books: [
        { id: 1, title: 'Python编程', author: 'John Doe', copies: 4 },
        { id: 2, title: '历史的秘密', author: 'Jane Smith', copies: 3 },
        { id: 3, title: '宇宙探索', author: 'Emily Brown', copies: 2 },
        { id: 4, title: '健康生活', author: 'Mike Johnson', copies: 5 },
        { id: 5, title: '数学之美', author: 'Sarah Lee', copies: 4 },
        { id: 6, title: '艺术欣赏', author: 'David White', copies: 3 },
        { id: 7, title: '编程入门', author: 'Alice Green', copies: 2 },
        { id: 8, title: '科幻世界', author: 'Frank Black', copies: 5 },
        { id: 9, title: '自然奇观', author: 'Grace Blue', copies: 4 },
        { id: 10, title: '音乐之声', author: 'Tom Red', copies: 3 }
      ],
      newBook: {
        title: '',
        author: '',
        copies: 1
      }
    };
  },
  methods: {
    // 删除图书
    deleteBook(book) {
      this.books = this.books.filter(item => item.id !== book.id);
    },
    // 添加图书
    addBook() {
      if (!this.newBook.title || !this.newBook.author) {
        this.$message.error('请填写完整信息');
        return;
      }

      const newId = Math.max(...this.books.map(b => b.id)) + 1;
      const newBookItem = {
        id: newId,
        ...this.newBook
      };

      this.books.push(newBookItem);

      this.dialogVisible = false;

      // 重置表单
      this.newBook = {
        title: '',
        author: '',
        copies: 1
      };
    }
  }
};
</script>

<style>
#app {
  padding: 20px;
}
</style>